Surfaces ParcelFileDescriptor#parseMode() as API

Moves ContentResolver#modeToMode() to ParcelFileDescriptor#parseMode()

bug:10711271
Change-Id: I28a5de4ca70adfbec4caf739863b77f0fd7fd9a4
diff --git a/core/java/android/content/ContentProvider.java b/core/java/android/content/ContentProvider.java
index 9a258dc..461dc1d 100644
--- a/core/java/android/content/ContentProvider.java
+++ b/core/java/android/content/ContentProvider.java
@@ -1310,7 +1310,7 @@
             throw new FileNotFoundException("Column _data not found.");
         }
 
-        int modeBits = ContentResolver.modeToMode(uri, mode);
+        int modeBits = ParcelFileDescriptor.parseMode(mode);
         return ParcelFileDescriptor.open(new File(path), modeBits);
     }